CWE-476— NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.— MITRE CWE catalog
5,799 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-476page 46 of 116
- CVE-2026-39956MEDIUMCVSS 6.1EG 6.12026-04-13
jq is a command-line JSON processor. Prior to version 1.8.2, the _strindices builtin in jq's src/builtin.c passes its arguments directly to jv_string_indexes() without verifying they are strings, and jv_string_indexes() in src/jv.c relies …
- CVE-2026-22722MEDIUMCVSS 6.1EG 6.12026-02-26
A malicious actor with authenticated user privileges on a Windows based Workstation host may be able to cause a null pointer dereference error. To Remediate CVE-2026-22722, apply the patches listed in the "Fixed version" column of the 'Res…
- CVE-2025-11187MEDIUMCVSS 6.1EG 6.12026-01-27
Issue summary: PBMAC1 parameters in PKCS#12 files are missing validation which can trigger a stack-based buffer overflow, invalid pointer or NULL pointer dereference during MAC verification. Impact summary: The stack buffer overflow or NU…
- CVE-2024-0075MEDIUMCVSS 6.1EG 6.12024-03-27
NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability where a user may cause a NULL-pointer dereference by accessing passed parameters the validity of which has not been checked. A successful exploit of this vulnerabilit…
- CVE-2022-42879MEDIUMCVSS 6.1EG 6.12023-11-14
NULL pointer dereference in some Intel(R) Arc(TM) Control software before version 1.73.5335.2 may allow an authenticated user to potentially enable denial of service via local access.
- CVE-2021-4198MEDIUMCVSS 6.1EG 6.12022-03-07
A NULL Pointer Dereference vulnerability in the messaging_ipc.dll component as used in Bitdefender Total Security, Internet Security, Antivirus Plus, Endpoint Security Tools, VPN Standalone allows an attacker to arbitrarily crash product p…
- CVE-2021-40732MEDIUMCVSS 6.1EG 6.12021-10-13
XMP Toolkit version 2020.1 (and earlier) is affected by a null pointer dereference vulnerability that could result in leaking data from certain memory locations and causing a local denial of service in the context of the current user. User…
- CVE-2021-1069MEDIUMCVSS 6.1EG 6.12021-01-20
NVIDIA SHIELD TV, all versions prior to 8.2.2, contains a vulnerability in the NVHost function, which may lead to abnormal reboot due to a null pointer reference, causing data loss.
- CVE-2015-8956MEDIUMCVSS 6.1EG 6.12016-10-10
The rfcomm_sock_bind function in net/bluetooth/rfcomm/sock.c in the Linux kernel before 4.2 allows local users to obtain sensitive information or cause a denial of service (NULL pointer dereference) via vectors involving a bind system call…
- CVE-2026-102724MEDIUMCVSS 6.0EG 6.02026-09-29
NULL Pointer Dereference When Evicting the Sole MSRP Attribute
- CVE-2026-102723MEDIUMCVSS 6.0EG 6.02026-09-29
NULL Pointer Dereference on MSRP Attribute Table Exhaustion
- CVE-2023-31026MEDIUMCVSS 6.0EG 6.02023-11-02
NVIDIA vGPU software for Windows and Linux contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where a NULL-pointer dereference may lead to denial of service.
- CVE-2021-4158MEDIUMCVSS 6.0EG 6.02022-08-24
A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
- CVE-2020-35503MEDIUMCVSS 6.0EG 6.02021-06-02
A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI reques…
- CVE-2020-35504MEDIUMCVSS 6.0EG 6.02021-05-28
A NULL pointer dereference flaw was found in the SCSI emulation support of QEMU in versions before 6.0.0. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat …
- CVE-2020-29484MEDIUMCVSS 6.0EG 6.02020-12-15
An issue was discovered in Xen through 4.14.x. When a Xenstore watch fires, the xenstore client that registered the watch will receive a Xenstore message containing the path of the modified Xenstore entry that triggered the watch, and the …
- CVE-2015-7549MEDIUMCVSS 6.0EG 6.02017-10-30
The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.
- CVE-2015-8551MEDIUMCVSS 6.0EG 6.02016-04-13
The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x through 4.3.x as the driver domain, allows local guest administrators to hit BUG conditions and cause a denial of service (NULL pointer dereference and host…
- CVE-2018-0833MEDIUMCVSS 5.3EG 6.02018-02-15
The Microsoft Server Message Block 2.0 and 3.0 (SMBv2/SMBv3) client in Windows 8.1 and RT 8.1 and Windows Server 2012 R2 allows a denial of service vulnerability due to how specially crafted requests are handled, aka "SMBv2/SMBv3 Null Dere…
- CVE-2026-107613MEDIUMCVSS 5.9EG 5.92026-10-08
A NULL pointer dereference vulnerability in the Win8ScreenDriver component of GlavSoft TightVNC Server for Windows before 2.8.88 allows an attacker to crash the server, causing a denial of service. When re-initialization of the DXGI Deskto…
- CVE-2026-16182MEDIUMCVSS 5.9EG 5.92026-10-08
IBM DataPower Gateway 10.5.0.0 through 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow an attacker to cause a denial of service due to a NULL pointer dereference in G…
- CVE-2026-104038MEDIUMCVSS 5.9EG 5.92026-10-06
A flaw was found in sssd. A remote attacker can cause a denial of service (DoS) by submitting a certificate that lacks an expected Security Identifier (SID) extension. In deployments configured with SID-based certificate mapping rules, the…
- CVE-2026-18746MEDIUMCVSS 5.9EG 5.92026-09-28
parse_write_op() in subsys/net/lib/lwm2m/lwm2m_message_handling.c handles inbound CoAP WRITE/CREATE requests that carry a Block1 option. For the first block of a transfer it called init_block_ctx() and then immediately stored the peer-sele…
- CVE-2026-48521MEDIUMCVSS 5.9EG 5.92026-09-21
Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's ProdClusterManagerFactory::allocateConnPool dereferences transport_socket_options while selecting …
- CVE-2026-78126MEDIUMCVSS 5.9EG 5.92026-09-11
strongSwan 4.1.10 through 6.0.7 allows a NULL pointer dereference in the eap-aka plugin.
- CVE-2026-17539MEDIUMCVSS 5.9EG 5.92026-09-03
RTU500 has a vulnerability, where high-load scenarios, such as sending GI requests at short intervals, may cause a NULL pointer dereference in the last entry of the enhanced message queue. This can cause a BCI_IEC104 fatal write error, res…
- CVE-2026-13217MEDIUMCVSS 5.9EG 5.92026-08-25
The OCPP 1.6 client in subsys/net/lib/ocpp/ocpp.c reconstructs a session handle and PDU id from the uid field of a CALLRESULT message. In ocpp_process_server_msg() the code calls atoi(strtok_r(uid, "-", &tmp)) without checking the strtok_r…
- CVE-2026-55717MEDIUMCVSS 5.9EG 5.92026-07-22
In NLnet Labs Unbound 1.10.0 up to and including 1.25.1, when 'serve-expired: yes' is set together with a 'response-ip: <net> redirect' /'response-ip-data: <net> CNAME <target>' rule (or the RPZ 'rpz-cname-override' equivalent), a remote c…
- CVE-2026-47143MEDIUMCVSS 5.9EG 5.92026-07-21
Capstone is a disassembly framework. Versions prior to 6.0.0-Alpha8 and 5.0.8 have a NULL pointer dereference in `modRMRequired()` and `decode()` when disassembling 3DNow! opcodes (`0F 0F`) in builds compiled with `-DCAPSTONE_X86_REDUCE`, …
- CVE-2026-42767MEDIUMCVSS 5.9EG 5.92026-06-09
Issue summary: An attacker-controlled CMP (Certificate Management Protocol) server could trigger a NULL pointer dereference in a CMP client application. Impact summary: A NULL pointer dereference causes a crash of the application and a De…
- CVE-2026-42766MEDIUMCVSS 5.9EG 5.92026-06-09
Issue summary: A specially crafted password-encrypted CMS message can trigger a NULL pointer dereference during CMS decryption. Impact summary: This NULL pointer dereference leads to an application crash and a Denial of Service. The CMS …
- CVE-2026-32134MEDIUMCVSS 5.9EG 5.92026-05-19
NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. In versions 0.24.10 and below, when NanoMQ handles high-concurrency reconnect traffic using a reconnect-collision payload, the broker can crash due to a NULL pointer der…
- CVE-2026-33262MEDIUMCVSS 5.9EG 5.92026-04-22
An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default.
- CVE-2026-28886MEDIUMCVSS 5.9EG 5.92026-03-25
A null pointer dereference was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, …
- CVE-2025-15468MEDIUMCVSS 5.9EG 5.92026-01-27
Issue summary: If an application using the SSL_CIPHER_find() function in a QUIC protocol client or server receives an unknown cipher suite from the peer, a NULL dereference occurs. Impact summary: A NULL pointer dereference leads to abnor…
- CVE-2025-11156MEDIUMCVSS 5.9EG 5.92025-11-28
Netskope was notified about a potential gap in its agent (NS Client) on Windows systems. If this gap is successfully exploited, a local, authenticated user with Administrator privileges can improperly load the driver as a generic kernel…
- CVE-2025-1735MEDIUMCVSS 5.9EG 5.92025-07-13
In PHP versions:8.1.* before 8.1.33, 8.2.* before 8.2.29, 8.3.* before 8.3.23, 8.4.* pgsql and pdo_pgsql escaping functions do not check if the underlying quoting functions returned errors. This could cause crashes if Postgres server reje…
- CVE-2025-6491MEDIUMCVSS 5.9EG 5.92025-07-13
In PHP versions:8.1.* before 8.1.33, 8.2.* before 8.2.29, 8.3.* before 8.3.23, 8.4.* before 8.4.10 when parsing XML data in SOAP extensions, overly large (>2Gb) XML namespace prefix may lead to null pointer dereference. This may lead to cr…
- CVE-2025-52984MEDIUMCVSS 5.9EG 5.92025-07-11
A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause impact to the availability of the device. When stat…
- CVE-2024-3184MEDIUMCVSS 5.9EG 5.92024-10-17
Multiple CWE-476 NULL Pointer Dereference vulnerabilities were found in GoAhead Web Server up to version 6.0.0 when compiled with the ME_GOAHEAD_REPLACE_MALLOC flag. Without a memory notifier for allocation failures, remote attackers can e…
- CVE-2024-25073MEDIUMCVSS 5.9EG 5.92024-09-10
An issue was discovered in Samsung Semiconductor Mobile Processor and Modem Exynos 9820, Exynos 9825, Exynos 980, Exynos 990, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 9110, Exynos W92…
- CVE-2023-30756MEDIUMCVSS 5.9EG 5.92024-09-10
A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions …
- CVE-2023-28827MEDIUMCVSS 5.9EG 5.92024-09-10
A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions …
- CVE-2024-41164MEDIUMCVSS 5.9EG 5.92024-08-14
When TCP profile with Multipath TCP enabled (MPTCP) is configured on a Virtual Server, undisclosed traffic along with conditions beyond the attackers control can cause TMM to terminate. Note: Software versions which have reached End o…
- CVE-2024-33600MEDIUMCVSS 5.9EG 5.92024-05-06
nscd: Null pointer crashes after notfound response If the Name Service Cache Daemon's (nscd) cache fails to add a not-found netgroup response to the cache, the client request can result in a null pointer dereference. This flaw was introd…
- CVE-2024-26924MEDIUMCVSS 5.9EG 5.92024-04-25
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: do not free live element Pablo reports a crash with large batches of elements with a back-to-back add/remove pattern. Quoting Pablo: add_e…
- CVE-2024-24783MEDIUMCVSS 5.9EG 5.92024-03-05
Verifying a certificate chain which contains a certificate with an unknown public key algorithm will cause Certificate.Verify to panic. This affects all crypto/tls clients, and servers that set Config.ClientAuth to VerifyClientCertIfGiven …
- CVE-2023-37368MEDIUMCVSS 5.9EG 5.92023-09-08
An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor, and Modem (Exynos Mobile Processor, Automotive Processor, and Modem - Exynos 9810, Exynos 9610, Exynos 9820, Exynos 980, Exynos 850, Exynos 1080, Exynos 2100…
- CVE-2023-0359MEDIUMCVSS 5.9EG 5.92023-07-10
A missing nullptr-check in handle_ra_input can cause a nullptr-deref.
- CVE-2022-48509MEDIUMCVSS 5.9EG 5.92023-07-06
Race condition vulnerability due to multi-thread access to mutually exclusive resources in Huawei Share. Successful exploitation of this vulnerability may cause the program to exit abnormally.
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